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authorSpencer Oliver <ntfreak@users.sourceforge.net>2010-12-22 17:20:11 +0000
committerSpencer Oliver <ntfreak@users.sourceforge.net>2010-12-23 12:11:14 +0000
commit3d834bdab782065ba736328d6f7f19ded8ba975a (patch)
tree3fed571f310ee002b16a08bc9aca229b344c856f /src/flash/nor
parent83e5aaf577ef86c767f22044e1a8dcc4d136597f (diff)
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stm32: add stm32 xl family flash support
Signed-off-by: Spencer Oliver <ntfreak@users.sourceforge.net>
Diffstat (limited to 'src/flash/nor')
-rw-r--r--src/flash/nor/stm32x.c46
1 files changed, 45 insertions, 1 deletions
diff --git a/src/flash/nor/stm32x.c b/src/flash/nor/stm32x.c
index 8aae2036..6393aa40 100644
--- a/src/flash/nor/stm32x.c
+++ b/src/flash/nor/stm32x.c
@@ -905,6 +905,34 @@ static int stm32x_probe(struct flash_bank *bank)
num_pages = 128;
}
}
+ else if ((device_id & 0x7ff) == 0x430)
+ {
+ /* xl line density - we have 2k pages
+ * 2 pages for a protection area */
+ page_size = 2048;
+ stm32x_info->ppage_size = 2;
+
+ /* check for early silicon */
+ if (num_pages == 0xffff)
+ {
+ /* number of sectors may be incorrrect on early silicon */
+ LOG_WARNING("STM32 flash size failed, probe inaccurate - assuming 1024k flash");
+ num_pages = 1024;
+ }
+
+ /* split reported size into matching bank */
+ if (bank->base != 0x08080000)
+ {
+ /* bank 0 will be fixed 512k */
+ num_pages = 512;
+ }
+ else
+ {
+ num_pages -= 512;
+ /* bank1 also uses a register offset */
+ stm32x_info->register_offset = 0x40;
+ }
+ }
else
{
LOG_WARNING("Cannot identify target as a STM32 family.");
@@ -922,7 +950,6 @@ static int stm32x_probe(struct flash_bank *bank)
bank->sectors = NULL;
}
- bank->base = 0x08000000;
bank->size = (num_pages * page_size);
bank->num_sectors = num_pages;
bank->sectors = malloc(sizeof(struct flash_sector) * num_pages);
@@ -1075,6 +1102,23 @@ static int get_stm32x_info(struct flash_bank *bank, char *buf, int buf_size)
break;
}
}
+ else if ((device_id & 0x7ff) == 0x430)
+ {
+ printed = snprintf(buf, buf_size, "stm32x (XL) - Rev: ");
+ buf += printed;
+ buf_size -= printed;
+
+ switch (device_id >> 16)
+ {
+ case 0x1000:
+ snprintf(buf, buf_size, "A");
+ break;
+
+ default:
+ snprintf(buf, buf_size, "unknown");
+ break;
+ }
+ }
else
{
snprintf(buf, buf_size, "Cannot identify target as a stm32x\n");